(See Note A-3.1.6.)

1. Tents and air-supported structures shall conform to Sections 3.3. and 3.4.

1. An air-supported structure shall not be located above the first storey on any building.
2. An air-supported structure shall not be used for Groups B, C, or Group F, Division 1 major occupancies or for classrooms.
3. An air-supported structure shall be designed as open floor space without interior walls, mezzanines, intermediate floors or similar construction.

1. Except as permitted by Sentences (2), (3) and (4), every tent and air-supported structure shall conform to Subsection 3.2.3.
2. Tents and air-supported structures
   1. shall not be erected closer than 3 m to other structures on the same property except as permitted by Sentences (3) and (4), and
   2. shall be sufficiently distant from one another to provide an area to be used as a means of emergency egress.
3. Tents and air-supported structures not occupied by the public
   1. need not be separated from one another, and
   2. are permitted to be erected less than 3 m from other structures on the same property provided this spacing does not create a hazard to the public.
4. Tents not more than 120 m2 in ground area, located on fair grounds or similar open spaces, need not be separated from one another provided this does not create a hazard to the public.

1. The ground enclosed by a tent or air-supported structure and not less than 3 m of ground outside the structure shall be cleared of all flammable material or vegetation that will spread fire.

1. Every tent and air-supported structure and all tarpaulins and decorative materials used in connection with these structures shall conform to CAN/ULC-S109, "Flame Tests of Flame-Resistant Fabrics and Films."

1. An air-supported structure used as a place of assembly for more than 200 persons shall have either
   1. an automatic emergency engine-generator set capable of powering one blower continuously for 4 h, or
   2. a supplementary blower powered by an automatic internal combustion engine.

1. The electrical system and equipment in a tent or air-supported structure, including electrical fuses and switches, shall be inaccessible to the public.
2. Cables on the ground in areas used by the public in a tent or air-supported structure shall be placed in trenches or protected by covers to prevent damage from traffic.